Stations or aggregates of water-storage type, (turbines characterised by having means for functioning alternatively as pumps F03B3/10)

Full Title

Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus (if the apparatus aspects are predominant, see the relevant subclasses for such apparatus, e.g. H02K7/18); Power stations or aggregates (incorporating only machines or engines of positive-displacement type F03C; hydraulic engineering aspects E02B; ) > Stations or aggregates of water-storage type, (turbines characterised by having means for functioning alternatively as pumps F03B3/10)